'Mom, I'm A Murderer'

At least this soldier had enough of a conscience to realise that he was a murderer. Many who acted just as he did were brainwashed into thinking that they had acted entirely normally. 

He told her how his team had kicked in the door of an Iraqi house and quickly shot a man inside. With the man lying wounded on the floor, "my son got ordered by his sergeant to stand on his chest to make him bleed out faster," Kirkland said. "He said, 'We've got to move, and he's got to die before we move.'"Not long after, Derrick told her, he had fallen asleep on guard duty, awakening as a car was driving through his checkpoint. He yelled for it to stop, but the family in the car spoke no English. "So my son shot up the car," she said. Link.